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National Stock Number:
2810-00-294-3523
Federal Supply Class:
2810
National Item Identification Number:
002943523
Description:
RING,PISTON
Detail:
A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; and SEAL RING, METAL.
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Manufacturer Information:
| 4374 | 79606 | GOULD INC CLEVITE ENGINE PARTS DIV | | 67540 | 80254 | TEXTRON LYCOMING INC WILLIAMSPORT PLANT | | 68338 | 80254 | TEXTRON LYCOMING INC WILLIAMSPORT PLANT |
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Techincal Specification:
| CROSS-SECTIONAL SHAPE STYLE | STRAIGHT FACE, DOUBLE SCRAPER, W/EXPANDER | | FSC APPLICATION DATA | ENGINE,AIRCRAFT,RECIPROCATING | | JOINT STYLE | VERTICAL JOINT | | OVERALL WIDTH | 0.1350 INCHES MINIMUM AND 0.1450 INCHES MAXIMUM | | MATERIAL | IRON OVERALL | | MATERIAL | STEEL EXPANDER | | OIL PASSAGE TYPE AND QUANTITY | 10 HOLE HORIZONTALLY THROUGH RING | | OIL PASSAGE TYPE AND QUANTITY | 1 GROOVE INSIDE PERIPHERY | | OIL PASSAGE TYPE AND QUANTITY | 1 GROOVE OUTSIDE PERIPHERY | | RADIAL WALL THICKNESS | 0.1840 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM | | RING STYLE | CONCENTRIC | | STANDARD BORE DIAMETER | 4.875 INCHES |
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